Sidney Chastang, MD
Internal Medicine Physician · Marietta, GA
Sidney Chastang, MD is an internal medicine physician with a practice address in Marietta, Georgia, and NPI 1720077225, issued on Oct 18, 2005. Check the license (Georgia 041094, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sidney Chastang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 041094 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1121 Johnson Ferry RD Ste 205, Marietta, GA 30068
- Phone
- (770) 485-3837
- Enumerated
- Oct 18, 2005
- Record last updated
- Apr 16, 2025
- Fax
- (470) 377-4468
- Medicare enrollment
- Enrolled (PECOS I20060104000573); may accept Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Verify Sidney Chastang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 041094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,359 Medicare Part D claims for 170 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 117 claims were for opioids.
Most prescribed
- Amlodipine Besylate122 claims
- Losartan Potassium101 claims
- Levothyroxine Sodium100 claims
- Rosuvastatin Calcium70 claims
- Atorvastatin Calcium57 claims
- Lisinopril56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $116.79
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sidney Chastang among 3,911 internal medicine physician records in Georgia
Sidney Chastang, MD is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1992 · median 2005 among the 2,535 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 internal medicine physician records list a practice address in Marietta
They are 122 of the 6,900 NPPES records with a practice address in Marietta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Marietta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Helga Bahr, M.D.Marietta, GA 300681013031509
- Lisa Lefkovits, MDMarietta, GA 300681962560128
- Maya Lucas, MDMarietta, GA 300681912490996
- Umme Nur, M.D.Marietta, GA 300681629423298
- Jeffrey Polekoff, MDMarietta, GA 300681497888192
- Shital Popat, M.D.Marietta, GA 300681447563572
- Ashley Poullard, MDMarietta, GA 300681447770532
- Dimple Shah, M.D.Marietta, GA 300681740486976
Common questions
What is Sidney Chastang, MD's NPI number?
Sidney Chastang, MD's National Provider Identifier (NPI) is 1720077225, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sidney Chastang, MD located?
The NPPES record lists a practice address at 1121 Johnson Ferry RD Ste 205, Marietta, GA, 30068. Phone: (770) 485-3837. Providers update this record themselves, so call before visiting.
How can I verify Sidney Chastang, MD's license?
NPPES lists Georgia license number 041094, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sidney Chastang, MD prescribe under Medicare Part D?
In 2024, Sidney Chastang, MD had 2,359 Medicare Part D claims for 170 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.